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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4583–4586

On-chip all-optical wavelength conversion of multicarrier, multilevel modulation (OFDM m-QAM) signals using a silicon waveguide

Chao Li, Chengcheng Gui, Xi Xiao, Qi Yang, Shaohua Yu, and Jian Wang  »View Author Affiliations


Optics Letters, Vol. 39, Issue 15, pp. 4583-4586 (2014)
http://dx.doi.org/10.1364/OL.39.004583


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Abstract

We report on-chip all-optical wavelength conversion of multicarrier multilevel modulation signals in a silicon waveguide. Using orthogonal frequency-division multiplexing (OFDM) combined with advanced multilevel quadrature amplitude modulation (QAM) signals (i.e., OFDM m-QAM), we experimentally demonstrate all-optical wavelength conversions of 3.2 Gbaud/s OFDM 16/32/64/128-QAM signals based on the degenerate four-wave mixing (FWM) nonlinear effect in a silicon waveguide. The measured optical signal-to-noise ratio (OSNR) penalties of wavelength conversion are 3dB for OFDM 16-QAM and 4dB for OFDM 32-QAM at 7% forward error correction (FEC) threshold and 3.5dB for OFDM 64-QAM and 4.5dB for OFDM 128-QAM at 20% FEC threshold. The observed clear constellations of converted idlers imply favorable performance obtained for silicon-waveguide-based OFDM 16/32/64/128-QAM wavelength conversions.

© 2014 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 7, 2014
Revised Manuscript: June 26, 2014
Manuscript Accepted: June 28, 2014
Published: July 31, 2014

Citation
Chao Li, Chengcheng Gui, Xi Xiao, Qi Yang, Shaohua Yu, and Jian Wang, "On-chip all-optical wavelength conversion of multicarrier, multilevel modulation (OFDM m-QAM) signals using a silicon waveguide," Opt. Lett. 39, 4583-4586 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-15-4583

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